CA #2 Review

Question 1

Dave ran around the track 40m in 15seconds. How fast was he going?

Accepted Answer

Almost 3 m/s

Question 2

The fatter the cat, the more _________ is needed to keep him from falling

Accepted Answer

Force

Question 3

Which part of an element determines how it will bond with other elements?

Accepted Answer

Valance electrons

Question 4

How many atoms are in 2 molecules of H2O?

Accepted Answer

6

Question 5

Which two elements would have similar properties: (Li & K), (C & N), or (H & He)

Accepted Answer

Lithium and Potassium

Question 6

The more mass the bat has, the more_________ it will have to act on the baseball.

Accepted Answer

Force

Question 7

Which metals are most reactive?

Accepted Answer

Group 1

Question 8

What is the difference between speed and velocity?

Accepted Answer

Velocity has direction

Question 9

Jane drove her dirt bike up a ramp. What is this an example of?

Accepted Answer

Acceleration

Question 10

When the tires on a bicycle push on the ground, ______________

Accepted Answer

The ground pushes back on the tire

Question 11

Which part of an element determines the identity?

Accepted Answer

Protons

Question 12

What two properties determine density?

Accepted Answer

Volume and Mass

Question 13

The image below is an example of…

Accepted Answer

Newtons 3rd Law of motion (action/reaction)

Question 14

How do I find neutrons in an atom?

Accepted Answer

Atomic Mass – Atomic Number

Question 15

If Adam flies out of town November 20, west to LA at approximately 533mph. Is this S, V, or A?

Accepted Answer

Velocity

Question 16

When deciding which elements act/behave in similar ways you look at the ____ on the P.T.

Accepted Answer

Groups

Question 17

What is water displacement used to find?

Accepted Answer

Volume

Question 18

Your mass is different on the moon

Accepted Answer

False

Question 19

Which of the following is not evidence of a chemical change?

Accepted Answer

Mixing two substances together

Question 20

Fire is evidence of physical reaction because new substances are formed.

Accepted Answer

False

Question 21

Metals are…

Accepted Answer

Good conductors of heat and electricity, More Malleable than non-metals

Questions 21